Hair drug testing: Many street drugs (or their breakdown products in the body) are absorbed into the hair. A sample of hair can be tested for recent drug use. Hair analysis: Testing of hair for toxic exposures, such as lead or mercury poisoning.
Gas Water Heater, water not hot enough-Thermostat or Sediment. The dip tube probably disintigrated. The dip tub sends cold water to the bottom of the tank for heating when its heated it rises to the top of the tank. Its possible that the dip tube broke of and now you have cold water mixing with the hot water on top.
1 It is taking longer to get the hot water to your bathroom, or the water is not heating up like it once did. 2  This may be caused by lack of power to the heating elements, electric thermostat and/ or the electric heating element are faulty. 3  Lack of hot water may also be due to consumption in the house.